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0 Suppliers

3 YRS

WWB Corporation

WWB provides solar power cell modules with "Made in Japan" quality. We promote Maxar° brand modules by VSUN We, WWB are a module manufacturer and have developed our own unique business model with module manufacturing functions in our supply chain. The solar module that we manufacture and sell boast the highest output in the industry. We realize the high efficiency long-term stability, and wide product lineup that is possible [...]

  • PWM Regulator
  • Japan
  • Japan
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3 YRS

K-I-S Co., Ltd.

We create a new value through the practice of our “general principles regarding KISCO management quality” and provide you with the most appropriate information, materials, products, technologies, and services in order to improve your reliability, satisfaction and to create a prosperous future. We make sure to always act and conduct business in a faithful and conscious manner, using our management resources as much as possible in order to [...]

  • PWM Regulator
  • Japan
  • Japan
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3 YRS

LE System Co., Ltd.

Storage batteries have come to be recognized as an essential technology for the spread of renewable energy. Vanadium redox flow battery (VRFB) has advantages in terms of safety, long life, and large capacity, which is highly expected as a future potential energy storage technology game-changer. Since our establishment, we have focused on electrolyte, which has been the main part of VRFB. By not depending on the price fluctuation of vanadium (V) [...]

  • PWM Regulator
  • Japan
  • Japan
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3 YRS

Makisuncome Japan Corporation

Sales of solar modules and related materials
Investment and development of solar power plants, LED development, manufacturing and sales

  • PWM Regulator
  • Japan
  • Japan
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3 YRS

Taiyo Top Runner Co., Ltd.

The Tatebayashi Group Co., Ltd. has been cherishing the history of 328 years since its founding and 55 years of incorporation. Top Runner Co., Ltd. is a company specializing in solar power generation systems that plays a part in this. A solar power generation system is a power generation system that, once installed, can be used for a long period of 20 years. Therefore, what we consider most important is that we will always be close to our [...]

  • PWM Regulator
  • Japan
  • Japan
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3 YRS

Toshiba Corporation

For over 140 years, Toshiba Group has contributed to a sustainable future by applying innovative technologies to value creation. Today, our business domains center on energy, social infrastructure, electronic devices and digital solutions, all essential supports for modern life and society. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba Group promotes global [...]

  • PWM Regulator
  • Japan
  • Japan
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3 YRS

Infini Co., Ltd.

In 2004, INFINI started supplying Japanese and foreign module manufacturers with materials for solar cells(silicon). In 2010, INFINI established a solar cell module manufacturer "Japan Solar" as its subsidiary to solidify its solar power business. In 2012, we established a new electric power company "Japan Denryoku" and entered into PPS industry. In 2014, we expanded our branch to South East Asia and the US to become a global company. We also [...]

  • PWM Regulator
  • Japan
  • Japan
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Japan

An outline of Japan’s overall solar market performance

Japan is the world’s 3rd largest economy. Logically, anyone would expect it to be a global powerhouse in matters concerning solar energy. Reports show that the global solar market continues to grow steadily despite the Covid-19 pandemic. In 2020 alone, the global solar capacity stood at approximately 7,604 Gigawatts. What contribution does Japan’s solar market contribute to the total solar production capacity?

Japan’s overall solar market size and production capacity

According to a recent study, Japan ranks 5th  with a solar installation capacity of approximately 82 Gigawatts per year. As a solar installer or industry professional, you must admit that this is an overwhelming achievement especially considering Covid-19 disruptions. Still, Japan’s solar capacity is most likely to improve owing to several factors, including

  • Implementation of favorable policies and regulatory frameworks
  • Significant contracts and collaborations extended by the Japanese government to local and foreign players in the solar sector
  • Good financial support frameworks.

At the moment, Japan is home to some of the world’s leading solar product producers and distributors. That said, it is pretty easy to import or export various categories of solar products to and from the Japanese solar market. The Japanese government has passed favorable regulations and invested heavily in infrastructure, including ports and reliable transport networks. Some major Japanese ports that are worth mentioning include Tokyo, Nagoya, Osaka, and Kobe. 

All you need to succeed in this market is a clear vision, sufficient resources, and a reliable partner. Are you a solar installer or a solar professional pursuing success in the Japanese solar market?  I can confidently assure you that choosing SolarFeeds as a partner will propel your business to the next level. All it takes to receive a quote is a short visit to our website’s inquiry page. Consider us as the dependable, time-conscious partner you’ve been searching for.  

PWM Regulator used for below projects in Japan

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PWM Regulator

Wholesale PWM Regulator (solar charge controller)

Pulse width modulation (PWM) regulator is essentially a switch(aka. Solar Charge Controllers) that connects a solar array to a battery. The result is that the voltage of the array will be pulled down to near that of the battery.

PWM is arguably the most effective means to achieve constant voltage battery charging by switching the solar system controller’s power devices. When in PWM regulation, the current from the solar array tapers according to the battery’s condition and recharging needs.

Advantages of PWM Charge Controllers for PV Systems?

Charging a battery with a solar system is undeniably a difficult challenge.

In the past, simple on-off regulators were used to limit battery outgassing when a solar panel produced excess energy. However, as solar systems matured, it became clear how much these simple devices actually interfered with the charging process.

The history of on-off regulators has been full of battery failures, increasing load disconnects, and growing user dissatisfaction. PWM has recently surfaced as the first significant advance in solar battery charging.

PWM regulators make use of technology that is similar to other modern high-quality battery chargers. When a battery voltage reaches the regulation setpoint, the PWM algorithm slowly reduces the charging current to avoid heating and gassing of the battery — and yet the charging continues to return the maximum amount of energy to the battery in the shortest time. The result of this is a higher charging efficiency, rapid recharging, and a healthy battery at full capacity.

Additionally, the PWM charge controller promises some very interesting and unique benefits. These benefits include:

  1. Ability to recover lost battery capacity and de-sulfate a battery
  2. Dramatically increase the charge acceptance of the battery
  3. Maintain high average battery capacities (90%–95%), compared to on-off regulated state-of-charge levels that are usually 55%–60%
  4. Equalize drifting solar battery cells
  5. Reduce battery heating and gassing
  6. Automatically adjust for battery aging
  7. Self-regulate for voltage drops and temperature effects in solar systems

A great deal of testing and data supports the benefits offered by PWM regulators. Additionally, manufacturers are continuing their own ongoing test programs to refine the PWM charging technology. As a result, over time, each of these benefits will undoubtedly be improved and more clearly defined.

Are All PWM Chargers the Same?

Many solar charge controllers that simply switch FETs differently than the on-off algorithm claim to be PWM regulators. Buyers should be aware of this because this is actually not true. Only a few controllers are actually using a PWM constant voltage charging algorithm. The rest are switching FETs with various algorithms that are cheaper and less effective.

Why Buy Wholesale PWM Regulators for PV Systems from Us?

Our website lists PWM regulators for PV systems from reputable brands all over the world. As a result, you can expect that the PWM regulators that we offer are of the best variety. They are characterized by higher efficiency, reliable power voltage, and a   longer life span, thus giving them the ability to fulfill all your solar power needs.

If you want to buy PWM regulators for PV systems at low wholesale prices, then go through our website to explore products with profitable deals. You can also choose to send in your query at info@www.solarfeeds.com.

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